The truth was, after the genetic modification and being bound by the Affection Through Familiarity hack, their bodies had bee overly sensitive to Luis.
Especially after pleting his mother-in-law's ultimate mission, even his scent could send them into heat. Now they were so docile in bed they could only beg for mercy.
If Luis held back a little, just one ejaculation in half an hour was enough to make them cum again and again.
He could even fuck them unconscious without issue. Just now, a light test had confirmed their sensitivity had indeed increased significantly.
Forget intercourse, using just his hands and mouth, Luis was confident he could make these two mature sisters lose their minds.
"Hehe, no love potion needed... but her mouth, her pussy, and her asshole have all been filled with plenty of my cum."
Luis said lecherously. Eloise looked surprised. "You've done my sister's backdoor too???"
"Yep. Next time, it'll be your turn~"
"No way! You're such a pervert. Being a horny bastard is one thing, but why are you so twisted? If I didn't let you, you'd still be obsessing over my ass."
Eloise used to be much quieter, clearly, their affair had entered a stable phase.
After washing Luis, she said shyly, "You go out first. I need to rinse my mouth and use the bathroom."
Luis kissed her and grinned. "Don't be shy. If you dare run upstairs later, I'll e get you and carry you back down."
"Bad man, get lost!!!"
After some playful banter, Luis came out to find Ruth had just dried off and was holding a fresh pair of panties.
This was classic self-deception. Luis grabbed her, snatched the panties, and tossed them aside.
His hands climbed to her full breasts and began kneading. Ruth scolded, "Little bastard, wasn't your aunt enough for you? Go to bed now."
"Hehe, you know your son-in-law's stamina, it's not that easy to satisfy me."
Luis pulled her onto the bed, kissing her red lips while one hand groped her breasts and the other slid between her legs, stroking her plump, juicy pussy.
Ruth let out muffled moans, panting, "Little bastard, wait... until your aunt goes back to her room..."
Both sisters thought alike. Even though their bodies and souls had been conquered,
Ethics and shame still held them back. In private, they could be wild, but sharing a bed with their sister was still awkward.
"Mom, no, I want both of you to suck my cock together!!!"
Luis spread her legs, fingering her already-soaked pussy as he thrust slowly in and out.
He shifted position, leaning over her chest, one hand kneading her breasts while he lowered his head to suck her sensitive nipples.
Ruth moaned, panting in embarrassment. "Little bastard, don't push your luck..."
"Hehe, Mom, I want to see who's better at giving head, you or Auntie."
Luis said shamelessly, gently biting her sensitive nipples. "At home, you're both so reserved. Next time, the three of us will get a hotel room."
"Then you can see just how wild Auntie gets when she's alone with me..."
"Her moans are even louder than yours, Mom~..."
With all her sensitive spots teased and such dirty talk, Ruth couldn't help but wrap one arm around her son-in-law while covering her mouth with the other.
She was still too ashamed to moan out loud. Playing with this maternal modesty was especially amusing.
Luis intensified his teasing, pressing his thumb against her sensitive clit and playing with it mercilessly.
Waves of numbing pleasure surged from every erogenous zone. Ruth, still covering her mouth, had eyes full of lust and cheeks flushed with desire.
Eloise had stayed in the bathroom for a long time. Normally, she didn't take that long to shower.
She was wrestling with herself. Unlike her sister, she probably needed some alcohol to numb her nerves.
Now she regretted not having had a single drink tonight.
After a long while, she took a deep breath, knowing hiding wasn't the answer.
Wrapping herself in a large towel, she trembled as she opened the door. Outside wasn't the intense sex scene she'd imagined.
Luis was lounging on the bed, legs spread, his voice shaky with pleasure. "Mom, you're so good at this... you're getting better and better at deep-throating!!!!"
Between Luis's legs, Ruth, who'd just been teased to a small orgasm, looked utterly intoxicated.
She'd pinned up her hair, blushing as she bobbed up and down on her son-in-law's cock. Hearing the bathroom door open, she shut her eyes in shame and paused.
Luis pressed her head down, and Ruth resumed bobbing, pretending not to notice.
Luis greedily fondled his mother-in-law's breasts as he looked at Eloise standing at the bathroom doorway, her face full of shame, unable to meet his eyes, a traditional wife and mother.
The charm of these two big-breasted sisters was equally stunning. Last time, their encounter had happened in the dark. Now, with the bright lights, he could fully appreciate their bodies and alluring expressions.
"Auntie, e here~"
Luis licked his lips hoarsely, his voice full of excitement.
Earlier, Eloise had been so bold because she'd assumed Ruth wouldn't be back from cards until late, at least one or two in the morning. She'd thought she had time to enjoy herself.
But tonight, her sister had returned early. Since they were together now, Luis was determined to seize this opportunity and plete the side mission with his mother-in-law.
"Ding... Blowjob service from the sister duo, plete it and cum on their faces. Reward: one blind box."
After all this seduction and training, everything was out in the open. He'd pletely conquered their bodies and minds.
The mission wasn't particularly difficult now, it just needed the right timing and place. And this was it.
Eloise hesitated, biting her lower lip as she shuffled forward in a daze. She stopped by the bed, still looking uncertain.
Knowing her personality, Luis reached out and pulled her onto the bed. Eloise felt a chill as the towel that had been covering her was tossed aside, her freshly bathed, fragrant mature body was now in Luis's arms.
"Hehe, Mom, Auntie, I really can't tell whose tits are bigger!"
Luis's face flushed with excitement. One hand kneaded his mother-in-law's full breasts while the other groped Eloise's, squeezing and fondling.
Their nipples were still engorged, clearly aroused. Eloise shut her eyes shyly. Luis chuckled and leaned in to kiss her.
Perhaps because her sister was there, she was a bit reserved, even keeping her teeth clenched.
But Luis just pinched her nipple lightly. She couldn't help letting out a soft whimper, and Luis took the chance to suck on her soft little tongue.
A tightening sensation came from below...
Ruth was sucking harder, bobbing faster, even taking him deep a few times.
Luis instantly understood her mixed feelings, she was both expressing her dissatisfaction and jealousy,
And also finding it thrilling. She'd been drinking, and the alcohol had fueled her lust. From the moment she'd walked in, she hadn't really opposed the sister threesome.
If she had, she could have just pretended not to notice and slipped back after they were done.
With that thought, Luis felt confident. After kissing Eloise until she was dazed and aroused again,
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